TWI416128B - - Google Patents

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Publication number
TWI416128B
TWI416128B TW100125949A TW100125949A TWI416128B TW I416128 B TWI416128 B TW I416128B TW 100125949 A TW100125949 A TW 100125949A TW 100125949 A TW100125949 A TW 100125949A TW I416128 B TWI416128 B TW I416128B
Authority
TW
Taiwan
Prior art keywords
current
voltage
loop
digital signal
short circuit
Prior art date
Application number
TW100125949A
Other languages
Chinese (zh)
Other versions
TW201305570A (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to TW100125949A priority Critical patent/TW201305570A/en
Publication of TW201305570A publication Critical patent/TW201305570A/en
Application granted granted Critical
Publication of TWI416128B publication Critical patent/TWI416128B/zh

Links

Abstract

This invention relates to a power factor measurement method of alternating current loop and a device thereof, comprising a digital signal processor, a voltage detector, a current detector, a current measurement element, two plugs, and a short circuit wire. The two plugs are respectively inserted on two AC power sockets of an AC loop, and the short circuit wire is connected therebetween, which is electrically connected with the digital signal processor via the voltage and current detectors. The digital signal processor, via the voltage and current detectors, obtains the voltage of the AC loop and the current of the short circuit wire detected by the current measurement element configured at the short circuit wire. Accordingly, the digital signal processor can obtain the voltage and current values of the AC loop and the phase difference, and the power factor can be calculated and converted from the phase difference.
TW100125949A 2011-07-22 2011-07-22 Power factor measurement method of alternating current loop and device TW201305570A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW100125949A TW201305570A (en) 2011-07-22 2011-07-22 Power factor measurement method of alternating current loop and device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW100125949A TW201305570A (en) 2011-07-22 2011-07-22 Power factor measurement method of alternating current loop and device

Publications (2)

Publication Number Publication Date
TW201305570A TW201305570A (en) 2013-02-01
TWI416128B true TWI416128B (en) 2013-11-21

Family

ID=48169124

Family Applications (1)

Application Number Title Priority Date Filing Date
TW100125949A TW201305570A (en) 2011-07-22 2011-07-22 Power factor measurement method of alternating current loop and device

Country Status (1)

Country Link
TW (1) TW201305570A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105548681B (en) * 2016-02-02 2018-07-10 林纪秋 The measuring method and its device of a kind of power factor
CN108107263A (en) * 2017-11-14 2018-06-01 武汉市路灯管理服务中心 A kind of public lighting circuit load attribute data acquisition device and determination methods
CN110391554A (en) * 2018-04-23 2019-10-29 金一凡 A kind of intelligent socket that can monitor contact impedance

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20050063116A1 (en) * 2003-09-24 2005-03-24 Dave Rotheroe Power cord with monitor circuit
TWM263665U (en) * 2004-07-28 2005-05-01 Midway Electronics Co Ltd Plug having electric power and electrical energy display device
US7358701B2 (en) * 2003-02-07 2008-04-15 Field Robert B Method and system for modeling energy transfer
TW201019562A (en) * 2008-11-06 2010-05-16 Ind Tech Res Inst Socket with power management ability
TWM393781U (en) * 2010-08-02 2010-12-01 Jia Bei Er Co Ltd Power control system for socket
CN101925826A (en) * 2008-02-06 2010-12-22 三菱电机株式会社 Power measuring system, measuring apparatus, load terminal, and device control system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7358701B2 (en) * 2003-02-07 2008-04-15 Field Robert B Method and system for modeling energy transfer
US20050063116A1 (en) * 2003-09-24 2005-03-24 Dave Rotheroe Power cord with monitor circuit
TWM263665U (en) * 2004-07-28 2005-05-01 Midway Electronics Co Ltd Plug having electric power and electrical energy display device
CN101925826A (en) * 2008-02-06 2010-12-22 三菱电机株式会社 Power measuring system, measuring apparatus, load terminal, and device control system
TW201019562A (en) * 2008-11-06 2010-05-16 Ind Tech Res Inst Socket with power management ability
TWM393781U (en) * 2010-08-02 2010-12-01 Jia Bei Er Co Ltd Power control system for socket

Also Published As

Publication number Publication date
TW201305570A (en) 2013-02-01

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Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees